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water temp

This question is regarding Mira Excel (1990-96) Cartridge - 903.33

I have a mira excel fl ( b83) mixer, the hot water inlet is very warm to touch but the water temp varies very little no matter where the control is set. I have a combi boiler and a pressure reducing valve in the mains into the house, what would be the ideal pressure setting, and if this is ok, do you think the cartridge needs replaced.


Asked 4 years ago by Anonymous

We have found that 3 bar is a good pressure for these cartridges. It does sound like you need a new one though.
Answered 4 years ago by Barrie Seabright
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